<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="学期名称" prop="semesterName">
        <el-input v-model="queryParams.semesterName" placeholder="请输入学期名称" clearable @keyup.enter.native="handleQuery"/>
      </el-form-item>
      <el-form-item label="学期编码" prop="semesterCode">
        <el-input v-model="queryParams.semesterCode" placeholder="请输入学期编码" clearable @keyup.enter.native="handleQuery"/>
      </el-form-item>
      <el-form-item label="开始日期" prop="startDate">
        <el-date-picker clearable v-model="queryParams.startDate" type="date" value-format="yyyy-MM-dd" placeholder="请选择开始日期">
        </el-date-picker>
      </el-form-item>
      <el-form-item label="结束日期" prop="endDate">
        <el-date-picker clearable
          v-model="queryParams.endDate"
          type="date"
          value-format="yyyy-MM-dd"
          placeholder="请选择结束日期">
        </el-date-picker>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="el-icon-plus" size="mini" @click="handleAdd" v-hasPermi="['semester:semester:add']">新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="success" plain icon="el-icon-edit" size="mini" :disabled="single" @click="handleUpdate" v-hasPermi="['semester:semester:edit']">修改</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="semesterList" border>
      <el-table-column label="" align="center" type="index" width="80"/>
      <el-table-column label="学期编码" align="center" prop="semesterCode" />
      <el-table-column label="学期名称" align="center" prop="semesterName" />
      <el-table-column label="开始日期" align="center" prop="startDate" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.startDate, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="结束日期" align="center" prop="endDate" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.endDate, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="当前学期" align="center" prop="current">
        <template slot-scope="{row}">
          <el-switch v-model="row.current" active-text="是" inactive-text="否" :active-value="1" :inactive-value="0" @change="(val) => handleCurrentChange(val, row)"/>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)" v-hasPermi="['semester:semester:edit']">修改</el-button>
          <el-button size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)" v-hasPermi="['semester:semester:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total>0" :total="total" :page.sync="queryParams.pageNum" :limit.sync="queryParams.pageSize" @pagination="getList"/>

    <!-- 添加或修改学期对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="100px" label-suffix="：">
        <el-form-item label="学期名称" prop="semesterName">
          <el-input v-model="form.semesterName" placeholder="请输入学期名称" maxlength="30"/>
        </el-form-item>
        <el-form-item label="学期编码" prop="semesterCode">
          <el-input v-model="form.semesterCode" placeholder="请输入学期编码" maxlength="30"/>
        </el-form-item>
        <el-form-item label="开始日期" prop="startDate">
          <el-date-picker clearable
            v-model="form.startDate"
            type="date"
            value-format="yyyy-MM-dd"
            placeholder="请选择开始日期">
          </el-date-picker>
        </el-form-item>
        <el-form-item label="结束日期" prop="endDate">
          <el-date-picker clearable
            v-model="form.endDate"
            type="date"
            value-format="yyyy-MM-dd"
            placeholder="请选择结束日期">
          </el-date-picker>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listSemester, getSemester, delSemester, addSemester, updateSemester, updateSemesterCurrent} from "@/api/basic/semester";

export default {
  name: "Semester",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 学期表格数据
      semesterList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        semesterName: null,
        semesterCode: null,
        startDate: null,
        endDate: null,
        orderByColumn: 'start_date',
        isAsc: 'desc',
        pageNum: 1,
        pageSize: 10,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        semesterName: [{required: true, message: '请输入学期名称', trigger: 'blur'}],
        semesterCode: [{required: true, message: '请输入学期编码', trigger: 'blur'}],
        startDate: [{required: true, message: '请选择开始日期', trigger: 'blur'}],
        endDate: [{required: true, message: '请选择结束日期', trigger: 'blur'}],
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询学期列表 */
    getList() {
      this.loading = true;
      listSemester(this.queryParams).then(response => {
        this.semesterList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        semesterName: null,
        semesterCode: null,
        startDate: null,
        endDate: null,
        current: null,
        createTime: null,
        updateTime: null,
        delFlag: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加学期";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getSemester(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改学期";
      });
    },
    handleCurrentChange(val, row) {
      updateSemesterCurrent({id: row.id, current: val}).then(response => {
        this.$modal.msgSuccess("修改成功");
        this.getList();
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateSemester(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addSemester(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除学期编号为"' + ids + '"的数据项？').then(function() {
        return delSemester(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
  }
};
</script>
